diff -up system-config-printer-1.2.0/gtkinklevel.py.inklevel system-config-printer-1.2.0/gtkinklevel.py
--- system-config-printer-1.2.0/gtkinklevel.py.inklevel	2009-12-03 17:06:22.000000000 +0000
+++ system-config-printer-1.2.0/gtkinklevel.py	2010-03-26 10:34:15.981600493 +0000
@@ -1,7 +1,8 @@
 #!/usr/bin/env python
 
-## Copyright (C) 2009 Tim Waugh <twaugh@redhat.com>
-## Copyright (C) 2009 Red Hat, Inc.
+## Copyright (C) 2010 Red Hat, Inc.
+## Authors:
+##  Tim Waugh <twaugh@redhat.com>
 
 ## This program is free software; you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
@@ -56,10 +57,9 @@ class GtkInkLevel (gtk.DrawingArea):
         ctx.translate (thickness, thickness)
         ctx.scale (w - 2 * thickness, h - 2 * thickness)
         thickness = max (ctx.device_to_user_distance (thickness, thickness))
-        ctx.set_line_width (thickness)
-        self.draw (ctx)
+        self.draw (ctx, thickness)
 
-    def draw (self, ctx):
+    def draw (self, ctx, thickness):
         r = self._color.red / 65535.0
         g = self._color.green / 65535.0
         b = self._color.blue / 65535.0
@@ -72,6 +72,7 @@ class GtkInkLevel (gtk.DrawingArea):
         ctx.curve_to (0.0, 0.5, 0.1, 0.2, 0.5, 0.0)
         ctx.close_path ()
         ctx.set_source_rgb (r, g, b)
+        ctx.set_line_width (thickness)
         ctx.stroke_preserve ()
         if fill_point > 0.0:
             grad_width = 0.10
@@ -90,6 +91,31 @@ class GtkInkLevel (gtk.DrawingArea):
             ctx.set_source_rgb (1, 1, 1)
             ctx.fill ()
 
+        ctx.set_line_width (thickness / 2)
+
+        ctx.move_to (0.5, 0.0)
+        ctx.line_to (0.5, 1.0)
+        ctx.set_source_rgb (r, g, b)
+        ctx.stroke ()
+
+        # 50% marker
+        ctx.move_to (0.4, 0.5)
+        ctx.line_to (0.6, 0.5)
+        ctx.set_source_rgb (r, g, b)
+        ctx.stroke ()
+
+        # 25% marker
+        ctx.move_to (0.45, 0.75)
+        ctx.line_to (0.55, 0.75)
+        ctx.set_source_rgb (r, g, b)
+        ctx.stroke ()
+
+        # 75% marker
+        ctx.move_to (0.45, 0.25)
+        ctx.line_to (0.55, 0.25)
+        ctx.set_source_rgb (r, g, b)
+        ctx.stroke ()
+
 if __name__ == '__main__':
     # Try it out.
     import gobject
diff -up system-config-printer-1.2.0/system-config-printer.py.inklevel system-config-printer-1.2.0/system-config-printer.py
--- system-config-printer-1.2.0/system-config-printer.py.inklevel	2010-03-26 10:34:06.158727658 +0000
+++ system-config-printer-1.2.0/system-config-printer.py	2010-03-26 10:34:06.250725897 +0000
@@ -2681,6 +2681,7 @@ class GUI(GtkGUI, monitor.Watcher):
                 vbox = gtk.VBox (spacing=6)
                 subhbox = gtk.HBox ()
                 inklevel = gtkinklevel.GtkInkLevel (color, level)
+                inklevel.set_tooltip_text ("%d%%" % level)
                 subhbox.pack_start (inklevel, True, False, 0)
                 vbox.pack_start (subhbox, False, False, 0)
                 label = gtk.Label (name)